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| Mirrors > Home > MPE Home > Th. List > latnlej1l | Structured version Visualization version GIF version | ||
| Description: An idiom to express that a lattice element differs from two others. (Contributed by NM, 19-Jul-2012.) |
| Ref | Expression |
|---|---|
| latlej.b | ⊢ 𝐵 = (Base‘𝐾) |
| latlej.l | ⊢ ≤ = (le‘𝐾) |
| latlej.j | ⊢ ∨ = (join‘𝐾) |
| Ref | Expression |
|---|---|
| latnlej1l | ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) ∧ ¬ 𝑋 ≤ (𝑌 ∨ 𝑍)) → 𝑋 ≠ 𝑌) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | latlej.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | latlej.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 3 | latlej.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 4 | 1, 2, 3 | latnlej 18411 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) ∧ ¬ 𝑋 ≤ (𝑌 ∨ 𝑍)) → (𝑋 ≠ 𝑌 ∧ 𝑋 ≠ 𝑍)) |
| 5 | 4 | simpld 494 | 1 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) ∧ ¬ 𝑋 ≤ (𝑌 ∨ 𝑍)) → 𝑋 ≠ 𝑌) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ≠ wne 2930 class class class wbr 5074 ‘cfv 6487 (class class class)co 7356 Basecbs 17168 lecple 17216 joincjn 18266 Latclat 18386 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2184 ax-ext 2707 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2931 df-ral 3050 df-rex 3060 df-rmo 3340 df-reu 3341 df-rab 3388 df-v 3429 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-id 5515 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-riota 7313 df-ov 7359 df-oprab 7360 df-lub 18299 df-join 18301 df-lat 18387 |
| This theorem is referenced by: atnlej1 39813 3atlem4 39920 3atlem6 39922 dalemcnes 40084 lhpexle3lem 40445 cdlemd4 40635 cdlemd7 40638 cdleme0e 40651 cdleme3e 40666 cdleme9 40687 cdleme17c 40722 |
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